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  • Analyse critique des deux articles précédents de ce même numéro de la revue : ceux de Gruver d'une part, de Rose et Allison d'autre part.
  • 1989
  • According to the mean monthly temperatures the peripheral stations are 0.4-2.1oC colder than the centre. This is a proof for the existence of urban heat island . In the period 1953-1983 the mean January temperature at 9 p.m. in Gric rosed by 1.7o
  • 1989
  • the Moorhead low-water phase, Lake Agassiz rose to the Campbell level. The dated organic matter at Rossendale was deposited in a lagoon behind the Campbell beach.
  • 1989
  • a second working hypothesis concerning the seasonability of G. bulloides growth, it is suggested that the sea-level rose by about 40 m during the millennium which followed 14,500 yr B. P.
  • 1989
  • This article tries to show the problems of the so called Green-Revolution in Nigeria. Whereas Nigeria was able to feed herself up to the mid-seventies, imports of wheat rose steadily from 1966 onward because of the changing patterns of food
  • 1989